41.
Taxol is obtained from
A
Taxus
B
Acetabularia
C
Cycas
D
Pinus
Answer :
Taxus
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42.
The product of conjugation in Spirogyra or fertilization of Chlamydomonas is
A
zygospore
B
zoospore
C
oospore
D
carpospore
Answer :
zygospore
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43.
The sori in pteridium are found on
A
Lteral surface of sporophyll
B
Abaxial surface of sporophyll
C
Adaxla surface of sporophyll
D
On the margins of leaves
Answer :
Abaxial surface of sporophyll
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44.
Which of the following is called as "Adler's tongue Fern
A
Cyathea
B
Marsilea
C
Ophioglossum
D
Adiantum
Answer :
Ophioglossum
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45.
Fern prothallus produces
A
Gametes
B
Spores
C
A and B both
D
None of the above
Answer :
Gametes
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46.
Life cycle of gymnosperm is
A
Haplontic
B
Haplodiplontic
C
Diplontic
D
Diplohaplontic
Answer :
Diplontic
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47.
In bryophytes fertilization takes place
A
At low temp.
B
In dry condition
C
In presence of water
D
In above all situation
Answer :
In presence of water
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48.
Trabaculae is the transformation of
A
Pericycle
B
Endodermis
C
Xylem
D
Phloem
Answer :
Endodermis
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49.
Embryo does not form in thallophyta due to
A
Zygotic meiosis
B
Zygotic mitosis
C
Sporangial meiosis
D
Gametic meiosis
Answer :
Zygotic meiosis
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50.
Which is the criteron used in the classification of ferns
A
Sori
B
Nature of indusium
C
Nature of sporophyll & sprorangia
D
Nature of annulus
Answer :
Nature of sporophyll & sprorangia
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